Finding the Fourth Proportional to 268,203.69, 370,110.33 and 147,339.09
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Solution
The fourth proportional to 268,203.69, 370,110.33 and 147,339.09 is: 203,322.03
Step by Step Solution
- Step 1: Write the proportion equation
268,203.69 : 370,110.33 = 147,339.09 : x - Step 2: Convert to fraction form
268,203.69/370,110.33 = 147,339.09/x - Step 3: Cross multiply
268,203.69x = 370,110.33 × 147,339.09 - Step 4: Simplify right side
268,203.69x = 54,531,719,221.80 - Step 5: Solve for x
x = 54,531,719,221.80/268,203.69 - Step 6: Final answer
x = 203,322.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.